diff --git a/unikernel/unikernel.ml b/unikernel/unikernel.ml
index 9302c927..4d7f7b09 100644
--- a/unikernel/unikernel.ml
+++ b/unikernel/unikernel.ml
@@ -1,5 +1,4 @@
 open Rresult
-open Lwt.Infix
 open Cmdliner
 
 let port =
@@ -230,6 +229,7 @@ struct
     }
 
   let run_with_tls ~ctx ~authenticator ~tls http_server tls_port tcpv4v6 =
+    let open Lwt.Infix in
     let alpn_service =
       HTTP_server.alpn_service ~tls (alpn_handler ~ctx ~authenticator)
     in